21 speed shifting system mountain bike for adult men and women; Aluminum alloy frame;
The double disc brake system improves braking efficiency and safety;
Aluminum frame bike, lightweight, no rust;
The quick release lever makes it easy and convenient to disassemble and assemble the front wheel;
As it is big item during transportation, the bike arrives with 85% assembled. You need to install the front wheel,pedals,handlebar, seat and air up the tires; Easy assembly. The required set up manual and tools are included in the package
